The user can cause hatred into others, causing them to hate the user or someone else, even everyone around them. This will cause the victim to be hated themselves, and be more willing to kill the person they hate. This can also be used in specific ways, such as racism, homophobia, sexism, etc.
By merely making contact with other men, Billy Blim (Angel) can cause them to feel extreme and homicidal hatred of women in them.
SCP-053 - Young Girl (SCP Foundation) causes all human-beings within the general facility to feel immense feelings of hatred towards her to the point of violence. Ironically, SCP-682 - a being that feels nothing but hate - seems calm and pacified when around her.
HIM (The Powerpuff Girls) was easily able to turn all of Townsville's love for the Powerpuff Girls into hate.
Dark Cupid (Miraculous Ladybug) is able to use his arrows to turn all love - be it romantic or platonic - into hatred, contempt and bitterness.