Pushover (noun)

A person who is easily persuaded or influenced; a weak-willed or spineless person.

Origin:

From the word push and over, meaning "someone who is easily pushed over".

Examples:

1. He was considered a pushover by his colleagues and often taken advantage of.
2. She was a pushover for her children's pleas for ice cream.
3. He was a pushover when it came to his boss's demands.
4. I don't want to work with a pushover, I want someone who can stand their ground.
5. She was not a pushover, she knew how to assert herself.