The Latin root "bene" means good. Beneficiary means a person who derives advantage from something, especially a trust, will, or life insurance policy. The Latin root helps you understand that because it means a person who derives ADVANTAGE from something. Meaning it's something good.
The Latin roots of benefactor are bene, which means "well," and facere. Helps us understand the meaning that a benefactor does well or good to others or an individual.
The theme of the oval portrait is Fatal love, the wife in the story loves an artist but he loves his art. so by the time he was done it happened that she had died by his side.