Benevolist is a noun that describes someone who has a disposition or inclination toward doing good or acts of kindness. There are several synonyms for the word benevolist, including altruist, philanthropist, humanitarian, do-gooder, and benefactor. An altruist is someone who unselfishly supports the welfare of others, often without seeking recognition or reward. A philanthropist is someone who donates money or resources to charitable causes. A humanitarian is someone who is concerned with the well-being of all people and works to alleviate suffering. A do-gooder is someone who actively seeks to do good deeds. Lastly, a benefactor is someone who supports or aids others with financial or other resources.