Помогите первое и второе

1. sailor 2. actor 3. writer 4. reader 5 inventer 6. visitor 7. speaker 8. sleeper 9. founder 10. leader 11. director 12. burner 13. receiver 14. composer 15. reader 16. driver 17. regulator 18. accumulator 19. specialist 20. socialist

2) technician mathematician  statistician  politician  musician