[smileyface]

FISH = Faith in Serving Humanity

https://www.startpage.com/do/search?cat=web&language=english&query=Faith+in+Serving+Humanity

[bIlluminati]

Fish - the player in a poker game who doesn’t know who the fish is.
Fish - in chess, the player who may stumble out of the opening okay, but will get smashed in the middlegame and endgame, if any.
Fish - little fish used as bait for the big fish.