Not enough for ban
Flaming: Excessive profanity may lead to a server wide mute or a ban, especially in regard to family, religion and nationality. Definition of excessive: using it multiple times/constantly through the game, going on a tirade against a player, using particularly distasteful/sick wording and similar.
Votekick: just few times because of rage
Game ruin: not specified
You are advised to use the !ignore command against flamer whenever possible.