Can he avoid attending the funeral of a person who was known to be hard-hearted and cruel?

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The rights of one Muslim over another include those that are obligatory and those that are mustahabb
Visiting the sick – some etiquettes

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Related Answers:
Ruling on accepting an invitation, and the conditions for doing so
It is haraam for women to visit the grave of the Prophet (peace and blessings of Allaah be upon him)
It is not permissible to offer the funeral prayer for a mushrik who committed major shirk
The rights of one Muslim over another include those that are obligatory and those that are mustahabb
Visiting the sick – some etiquettes

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