The phrase "take to cleaners" is an expression that means to cheat, rob, or swindle someone out of their money or possessions. Some antonyms for this phrase could include words such as protect, safeguard, defend, or preserve. These words suggest the opposite of taking advantage of someone and instead imply a sense of looking out for their best interests. Other potential antonyms could include words like help, aid, support, or assist, which further emphasize a sense of lending a helping hand rather than exploiting someone's vulnerability. It is important to remember that using positive and ethical language is critical in building strong relationships based on trust and fairness.