This is the 751st most frequent Russian word.
специалист
Specialist.
Used to describe someone's expertise in a professional field.
Он специалист в области медицины.
He is a specialist in the field of medicine.
Refers to an expert required for a specific task because of their skills.
Для выполнения этой задачи нужен специалист.
A specialist is needed to complete this task.
Depicts someone employed in a role requiring specialized skills and knowledge.