Cases of word usage

1) the theory that our actions are always caused by the desire to benefit ourselves (egoism)

2) to use (money etc placed in one's care) illegally for one's own benefit (embezzle)

3) to ask a person to do something kind for one's benefit (favour)

4) (an agreement made between) people, groups or nations working for their common benefit (league)

5) for the good or benefit of a person, thing; because of an interest in or desire for (sake)

6) an extra advantage, benefit or product from a large activity or process (spin-off)

7) a feeling of confidence, strong belief, (in the goodness, strength, reliability of a person or thing); (an arrangement for) money or property held and managed by one or more people (trustees) for the benefit of another or others (trust)