Form nouns from these verbs (for the last column you need -or). what do we call these people in russian 1)to write to swim to drive 2)to skate to dive to train 3)to travel to report to paint 4)to visit to sail to collect

1writer писатель
swimmer плавец
driver водитель
2skater конькобежец
diver ныряльщик
trainer тренер
traveller путешественник
reporter репортёр
painter художник
4visitor посетитель
sailor моряк
collector коллекционер