тренерша înseamnă în Engleză

coach [coaches]▼(trainer)
noun
[UK: kəʊtʃ] [US: koʊtʃ]

instructor [instructors]▼(one who instructs; a teacher)
noun
[UK: ɪn.ˈstrʌk.tə(r)] [US: ˌɪn.ˈstrək.tər]

trainer [trainers]▼(person who trains another; coach)
noun
[UK: ˈtreɪ.nə(r)] [US: ˈtreɪ.nər]