Suffix (-er -or)

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Across
  1. 1. a person who moves through water
  2. 5. a person who works on a boat
  3. 7. a person who makes bread and cakes
  4. 9. a person who gives assistance
  5. 11. a person who leads a town or city
  6. 12. a person who stays alive after danger
  7. 14. a person who goes up mountains or trees
  8. 15. a person who tidies or washes things
  9. 16. a person who had the job before someone else
Down
  1. 2. a person who checks and fixes writing
  2. 3. a person who glides on ice or wheels
  3. 4. a person who teaches at a university
  4. 6. a person who runs a machine or system
  5. 8. a person who writes books or stories
  6. 10. a person who grows crops or raises animals
  7. 13. a person who reads books