The term 'right-hand man' is a phrase used to describe someone who is a close assistant or AIDE to a leader or powerful figure. The crossword solutions for this term are AIDE (4 letters) and DEXTER (6 letters). AIDE is a French word meaning helper or assistant, while DEXTER is Latin for right-handed or skillful. Therefore, the two words together can be used to describe someone who is a trusted assistant to a leader or powerful figure.