specialistrole

noun
UK /ˈspɛʃəlɪst rəʊl/
US /ˈspɛʃəlɪst roʊl/

A job where someone is really good at one special thing.

The doctor took on a specialist role at the hospital to help children with heart problems.


OTHER MEANINGS

2. A part in a game or story that needs a special skill.

In the school play, she had the specialist role of the narrator.

3. A job in a team where a person does one particular task.

The coach gave him the specialist role of goalkeeper.

4. A position that requires extra training in one area.

Being a pilot is a specialist role that needs lots of practice.