恩師 おんし
onshi

Noun

1. teacher (to whom one owes a debt of gratitude); mentor; one's former teacher

Honorific
わたくし恩師 おんし世話 せわでこの仕事 しごと いた。
watashiwa onshino sewade kono shigotoni tsuita
I got this job with my teacher's help.