if member has this role remove it for them discord.js code example

Example: discord.js remove every role a user has

case "suspend":
  if (message.member.hasPermission('MANAGE_ROLES')) {
    let rMember = message.guild.member(message.mentions.users.first() || message.guild.members.get(args[0])); //Gets the user
    if (!rMember) return message.reply("That user does not exist.");
    let gRole = message.guild.roles.find('name', 'SUSPENDED'); //Gets the SUSPENDED role

    rMember.removeRoles(rMember.roles).then(console.log).catch(console.error); //Removes all roles
    rMember.addRole(gRole.id); //Adds suspended Role


    message.channel.send("User was suspended."); //Messages the channel that the user was suspended

    try {
      await rMember.send("You have been suspended."); //Tries to DM User
    } catch (e) {
      message.channel.send("We tried to DM the user to let them know, but their DM's are locked."); //Announces that their DMs are locked
    }


  } else {
    message.channel.send("You do not have permission to use this command.");
  }
  break;