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be (not) (one's) brother's keeper
To be responsible for another person's actions. This phrase is often used in the negative and can refer to anyone (not just one's literal brother). Of course I'm disappointed that Travis got arrested again, but I'm not my brother's keeper. When I'm babysitting him, I'm my brother's keeper.
be one's brother's keeper
to be responsible for someone else. (Used of others besides just real brothers.) I can't force these kids to go to school and get an education so they can get jobs. I am not my brother's keeper. You can't expect me to be my brother's keeper. Each of us should be responsible for himself! be one's own man and be one's own master to be someone who is not controlled by other people; to be an independent person. Bert longed to be his own master, but at the same time feared losing the security he had as the employee of a large company. When I go away to college, I'll be my own man. My parents won't be able to tell me what to do anymore.
finders keepers(, losers weepers)
Prov. If you find something, you are entitled to keep it. (This is a children's rhyme and sounds childish when used by adults.) Bill: Hey! How come you're using my fountain pen? Fred: It's mine now. I found it on the floor—finders keepers, losers weepers. Child: That's my hat. You can't have it. Playmate: I found it. Finders keepers.
I am not my brother's keeper.and Am I my brother's keeper?
Prov. You are not responsible for another person's doings or whereabouts. (Biblical.) Fred: Where's Robert? Jane: Am I my brother's keeper? Jill: How could you let Jane run off like that? Alan: I'm not my brother's keeper.
Finders keepers (losers weepers).
something that you say when you find something that belongs to someone else and decide you are going to keep it 'Finders keepers,' he said, putting the money away in his pocket.
not be your brother's keeperalso not be somebody's keeper
to not be responsible for what someone does or for what happens to them It's all too easy for us not to intervene in another country's problems, telling ourselves that we're not our brother's keeper. You shouldn't blame yourself for what's happened to Simon. You're not his keeper, you know.
A phrase meaning that whoever finds something is entitled to keep it. For example, Someone left a dollar bill in this rented car-finders, keepers. This expression alludes to an ancient Roman law to that effect and has been stated in numerous different ways over the centuries. The modern version, often stated as Finders keepers, losers weepers, dates from the mid-1800s and is no longer a legal precept.
n. something that can be kept; something that qualifies. This fish is a keeper. Throw the others out.