What is the antonym for harass?

There isn't one perfect antonym for "harass" as it has different meanings depending on the context. Here are some possibilities:

General Antonyms:

* Support

* Encourage

* Comfort

* Respect

* Protect

* Empower

* Treat kindly

Specific Antonyms depending on the context:

* If harassing someone verbally: Compliment, praise, soothe, reassure

* If harassing someone physically: Protect, defend, shield

* If harassing someone with unwanted attention: Ignore, leave alone, respect boundaries

* If harassing someone in a workplace: Treat fairly, respect, accommodate, assist

The best antonym for "harass" will depend on the specific situation and the intended meaning.