helpful

adjective
A2
1
A2
able to improve a particular situation
مفید, سودمند
synonym useful
2
A2
willing to help somebody
کمک‌کننده, یاری‌دهنده, یاری‌رسان
I called the police but they weren't very helpful.
The staff couldn't have been more helpful.
She’s one of the most helpful people I know.