1. To constantly or repeatedly ask other people for things, food or money (especially cigarettes or drinks), rather than buying or getting them yourself. To treat someone unfairly for your own benefit, to use someone, to make use of someone. English = take advantage of, scrounge, cadge. Informal Australian English = bludge.
2. To use something or someone at hand, even though the thing or the person is not what or who you wanted in the first place. English = make do.
3. To make use of something that becomes available while you can. Idiomatic English = take advantage of (something).