Sympathetic is a “false friend” for speakers of certain languages, including Spanish. It does not usually mean the same as, for example, simpático, sympathique, sympathisch, or sympatisk.
The people in my office are all very nice/ pleasant/ easy to get on with. (NOT . . . are all very sympathetic.)
Sympathetic usually means “sharing somebody’s feelings” or “sorry for somebody who is in trouble.”
I’m sympathetic towards the strikers.
She’s always very sympathetic when people feel ill.