have (someone or something) on (one's) side(redirected from have one on side)
have (someone or something) on (one's) side
To have someone or something that supports or has the ability to aid one or one's idea, plan, intention, etc. You have all of us on your side, Jerry. We just want to see this issue resolved as quickly and easily as possible. If she's going to win this case, she'll need to have one heck of a legal team on her side.