die Trainerin
Translation
female coach, female trainer
Examples
Meine Trainerin ist sehr nett.
My coach is very nice.
Sie arbeitet als persönliche Trainerin.
She works as a personal trainer.
Grammar Patterns
to work as a ((coach)) She works as a fitness coach.
Similar Words
Lehrerin (female teacher), Sportlerin (female athlete)
Etymology
Derived from 'Trainer' (male coach) with the feminine suffix '-in'.
Memory Tips
The '-in' suffix is a standard way to form the feminine version of many professions in German.