You say that something is a pushover when it is easy to do or easy to get. You might think Hungarian a pushover to learn. It is not. = doddle. be a pushover a to be easy to persuade, influence, or defeat
You say that someone is a pushover when you find it easy to persuade them to do what you want. He is a tough negotiator. We did not expect to find him a pushover and he has not been one