Step 1: Understand the meaning of 'generous'. 'Generous' describes someone who willingly gives time, money, or kindness to others without expecting anything in return. Step 2: Find the opposite. The opposite of willingly giving to others is being focused only on oneself and unwilling to share — this is 'selfish'. Step 3: Confirm by checking the other options. 'Kind' and 'giving' are synonyms of generous; 'wealthy' describes financial status, not generosity. Answer: selfish