What is the meaning of Harass?

To annoy (someone) frequently or systematically; to pester.

To persistently bother (someone, or a group of people) physically or psychologically when such behaviour is illegal and/or unwanted, especially over an extended period.

To put excessive burdens upon (someone); to subject (someone) to anxieties.

To trouble (someone, or a group of people) through repeated military-style attacks.

Often followed by out: to fatigue or tire (someone) with exhausting and repeated efforts.

Harassment; pestering.

Source: wiktionary.org