How can I ban people with my bot who are outside of the server? (reopening)

const { SlashCommandBuilder, EmbedBuilder, PermissionFlagsBits, ActionRowBuilder, ButtonBuilder, ButtonStyle } = require('discord.js');
const mConfig = require('../../messageConfig.json');
const moderationSchema = require("../../schemas/moderation");

module.exports = {
    data: new SlashCommandBuilder()
        .setName("moderate")
        .setDescription("Moderate a server user.")
        .addUserOption((o) => o
            .setName("user")
            .setDescription("The user you want to moderate.")
            .setRequired(true)
        )
        .toJSON(),
    
    userPermissions: [PermissionFlagsBits.Administrator],
    botPermissions: [],

    run: async (client, interaction) => {
        const { options, guildId, guild, member } = interaction;

        const user = options.getUser("user");
        const targetMember = await guild.members.fetch(user.id);

        const rEmbed = new EmbedBuilder()
            .setColor("FF0000")
            .setFooter({ text: `${client.user.username} - Advanced Moderation System` });

        // Check if moderation system exists
        let data = await moderationSchema.findOne({ GuildID: guildId });
        if (!data) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription("Moderation system not found! Please configure it using `/moderatesystem configure`.");
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Prevent moderating oneself
        if (targetMember.id === member.id) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription(`${mConfig.unableToInteractWithYourself}`);
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Check role hierarchy
        if (targetMember.roles.highest.position >= member.roles.highest.position) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription(`${mConfig.hasHigherRolePosition}`);
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Check if the member has the required role
        const requiredRole = member.guild.roles.cache.find(role => role.name === "G Bot Permissions");
        if (!requiredRole || !member.roles.cache.has(requiredRole.id)) {
            const roleEmbed = new EmbedBuilder()
                .setColor(mConfig.embedColorError)
                .setDescription("You do not have the required role to use this command.");
            return interaction.reply({ embeds: [roleEmbed], ephemeral: true });
        }

        const moderationButtons = new ActionRowBuilder().setComponents(
            new ButtonBuilder().setCustomId("banBtn").setLabel("Server Ban").setStyle(ButtonStyle.Danger),
            new ButtonBuilder().setCustomId("kickBtn").setLabel("Server Kick").setStyle(ButtonStyle.Danger),
            new ButtonBuilder().setCustomId("cancelBtn").setLabel("Cancel").setStyle(ButtonStyle.Secondary),
        );

        rEmbed.setAuthor({
            name: `${targetMember.user.username}`,
            iconURL: `${targetMember.user.displayAvatarURL({ dynamic: true })}`
        }).setDescription(`What action would you like to perform on: ${targetMember.user.username}?`);

        interaction.reply({ embeds: [rEmbed], components: [moderationButtons] });
    },
};

const { SlashCommandBuilder, EmbedBuilder, PermissionFlagsBits, ActionRowBuilder, ButtonBuilder, ButtonStyle } = require('discord.js');
const mConfig = require('../../messageConfig.json');
const moderationSchema = require("../../schemas/moderation");

module.exports = {
    data: new SlashCommandBuilder()
        .setName("moderate")
        .setDescription("Moderate a server user.")
        .addUserOption((o) => o
            .setName("user")
            .setDescription("The user you want to moderate.")
            .setRequired(true)
        )
        .toJSON(),
    
    userPermissions: [PermissionFlagsBits.Administrator],
    botPermissions: [],

    run: async (client, interaction) => {
        const { options, guildId, guild, member } = interaction;

        const user = options.getUser("user");
        const targetMember = await guild.members.fetch(user.id);

        const rEmbed = new EmbedBuilder()
            .setColor("FF0000")
            .setFooter({ text: `${client.user.username} - Advanced Moderation System` });

        // Check if moderation system exists
        let data = await moderationSchema.findOne({ GuildID: guildId });
        if (!data) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription("Moderation system not found! Please configure it using `/moderatesystem configure`.");
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Prevent moderating oneself
        if (targetMember.id === member.id) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription(`${mConfig.unableToInteractWithYourself}`);
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Check role hierarchy
        if (targetMember.roles.highest.position >= member.roles.highest.position) {
            rEmbed.setColor(mConfig.embedColorError)
                .setDescription(`${mConfig.hasHigherRolePosition}`);
            return interaction.reply({ embeds: [rEmbed], ephemeral: true });
        }

        // Check if the member has the required role
        const requiredRole = member.guild.roles.cache.find(role => role.name === "G Bot Permissions");
        if (!requiredRole || !member.roles.cache.has(requiredRole.id)) {
            const roleEmbed = new EmbedBuilder()
                .setColor(mConfig.embedColorError)
                .setDescription("You do not have the required role to use this command.");
            return interaction.reply({ embeds: [roleEmbed], ephemeral: true });
        }

        const moderationButtons = new ActionRowBuilder().setComponents(
            new ButtonBuilder().setCustomId("banBtn").setLabel("Server Ban").setStyle(ButtonStyle.Danger),
            new ButtonBuilder().setCustomId("kickBtn").setLabel("Server Kick").setStyle(ButtonStyle.Danger),
            new ButtonBuilder().setCustomId("cancelBtn").setLabel("Cancel").setStyle(ButtonStyle.Secondary),
        );

        rEmbed.setAuthor({
            name: `${targetMember.user.username}`,
            iconURL: `${targetMember.user.displayAvatarURL({ dynamic: true })}`
        }).setDescription(`What action would you like to perform on: ${targetMember.user.username}?`);

        interaction.reply({ embeds: [rEmbed], components: [moderationButtons] });
    },
};