pushover

Someone who is easily swayed or influenced to change their mind or comply.

I'm a pushover when it comes to buying new kitchen gadgets.

“His [Helmut Newton's] women are strong and powerful, definitely not pushovers,” he says.

Someone who is easy to push around and to take advantage of; someone who lets themselves be picked on or bullied without defending or standing up for themselves.

Something that is easy to do or accomplish; an easy task.