Look up this word
teacher

In a sentence
Učiteľ predviedol veľa fyzikálnych experimentov.
The teacher demonstrated many experiments in physics.
On je učiteľ.
He is a teacher.
On je učiteľ v našej škole.
He is a teacher at our school.
Ten učiteľ má na starosti triedu tretieho ročníka.
That teacher is in charge of the third-year class.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.