This is the 6079th most frequent Russian word.
специалистом
"Специалистом" means "as a specialist" or "by/with a specialist" in English, often denoting the instrumental case of "специалист" (specialist).
The word 'специалистом' is used in the instrumental case to indicate that being a specialist is his profession.
Он работает специалистом в области информационных технологий.
He works as a specialist in the field of information technology.
The word 'специалистом' is used in the instrumental case to express the title or recognition bestowed upon her.
Её признали лучшим специалистом года в биологии.
She was recognized as the best specialist of the year in biology.
The word 'специалистом' is used in the instrumental case to describe the capacity or role desired in someone.