keep·er 
/ˈki:pɚ/ noun
plural keep·ers /ˈki:pɚ/ noun [count] 1 a : a person whose job is to guard or take care of something or someone
▪ a lion keeper ▪ “…am I my brother's keeper?” — Genesis 4:9 (KJV) — see also doorkeeper, gamekeeper, gatekeeper, shopkeeper, storekeeper, zookeeper
b Brit : curator 2 US, informal : something or someone that is worth keeping : something or someone that is good, valuable, etc.
▪ Hold on to that boyfriend of yours—he's a keeper! 3 : goalkeeper 4 American football : a play in which the quarterback runs with the ball
▪ The quarterback gained five yards on a keeper.
▪ a lion keeper ▪ “…am I my brother's keeper?” — Genesis 4:9 (KJV) — see also doorkeeper, gamekeeper, gatekeeper, shopkeeper, storekeeper, zookeeper
b Brit : curator
▪ Hold on to that boyfriend of yours—he's a keeper!
▪ The quarterback gained five yards on a keeper.
finders keepers (losers weepers) — see finder
