To speak- a talker - балтун
To write- a clerk - писарь
To jump- a jumper - прыгунTo read - a reader - читатель
To sing - a singer - певец
To teach - a teacher - учитель
To play - a player - игрок
To drive - a driver - водитель
To swim - a swimmer - плавец
To work - a employee - работник
To sleep - a stalk - засоня
To help - a assistant - помошник
To run - a runner - бегун