I saw a profile that has watch at the bottom of the profile info, what does that mean?
Do they have negative karma as well? It means someone is keeping an eye on them, likely because they are a spammer.
It's a label so that the user is aware that an admin/mod is watching, also to alert other admin/mods to keep an eye on this user.
We have a 0 tolerance policy for spam and spammers, this is a great example of how the forum manages this.