[Lazortag]

Alternate definitions of words only become archaic when people naturally stop using them. Clearly this isn't the case here - the guild "Holocaust" is a group of people using the word Holocaust to refer to something other than the genocide of 6 million jews. Until the only interpretation of the word that people have is the latter one, it's unfair for one group to have exclusivity over the word's definition. That's just not how the English language works; you can add to the definition of a word but you can't take away old ones.

Also, even if it were offensive, this is a pvp server so you can just kill anyone wearing the guild tag (it's not hard considering most holocaust members are painfully incompetent at this game).