człowiek

1. man, human, human being; person
2. man (adult male)
3. person (being that characterizes a particular thing)
4. person (someone who behaves well and does positive things)
5. (colloquial) worker; man, person
6. (colloquial) person, man (someone underneath someone else in hierarchy)
7. (colloquial) used to refer to oneself instead of ja

ów

1. that, the aforementioned
2. third person pronouns he

zostawił

third-person singular masculine past of zostawić

rower

bicycle, bike (vehicle that has two wheels, one behind the other, a steering handle, and a saddle seat or seats and is usually propelled by the action of a rider’s feet upon pedals)