Must be true. As shown below, we can take the contrapositive of the second statement in the stimulus and connect it to the first statement. Everyone who is interested in great personal fame is not employed, which in turn implies that they are sympathetic to social justice.

Could be false. Although we know that people who are interested in great personal fame are sympathetic to social justice, this doesn't tell us anything about all people who are not interested in great personal fame. These people might or might not be sympathetic to social justice.

Could be false. This answer choice confuses sufficiency for necessity. We know that all artists interested in great personal fame are unemployed, but we don’t know whether all unemployed artists are interested.

Could be false. This answer choice confuses sufficiency for necessity. We know that all unemployed artists are sympathetic, but we don’t know whether all sympathetic artists are unemployed.

Could be false. It's possible that there are some artists who are neither sympathetic to social justice nor interested in great personal fame.