This is the 2791st most frequent Russian word.
отец
Father.
In this sentence, 'отец' refers to a specific person, the speaker's father, used as a subject.
Мой отец любит читать книги.
My father likes to read books.
'отец' is used in a general sense to describe a father figure in the context of the narrative being discussed.
В новелле повествуется о строгом отце, который научил сына важным жизненным урокам.
The novel tells about a strict father who taught his son important life lessons.
In this sentence, 'отец' is used possessively to indicate the relationship of the father to the speaker.