いしゃ
doctor
isha
JMdict 1159980
父(ちち)fatherは医者(いしゃ)doctorです
My father is a doctor
は (topic) raises the topic (父(ちち) (father)) — “as for my father…”. Japanese needs no verb here: the noun 医者(いしゃ) (doctor) simply names what the topic is, and polite です (is) closes the sentence. So the shape is just topic + noun + です (is).
