Instruktoriga
Instruktoriga is an Estonian grammatical form meaning “with an instructor.” It represents a comitative construction used to indicate accompaniment by an instructor in activities such as education, training, or guided tasks. The form is created by adding the comitative suffix -ga to the genitive singular stem of the noun instruktor; thus instruktor-i (genitive singular) plus -ga yields instruktoriga. The noun instruktor is a loanword in Estonian, referring to a person who provides instruction or coaching.
In usage, instruktoriga commonly follows verbs or nouns that describe an activity, to express that the action
Notes on grammar and nuance: the comitative -ga marks accompaniment rather than ownership or possession, and
See also: comitative case in Estonian, instruktor, Estonian loanwords.