Homophobia refers to a strong fear, aversion, or prejudice against individuals who identify as LGBTQ+ or same-sex relationships.
Prejudice refers to preconceived opinions or attitudes towards a particular group based on stereotypes or unfounded beliefs.
Discrimination involves unfair treatment and actions taken against individuals based on their membership in a particular group.
A stereotype is a widely held but oversimplified and generalized belief about a particular group of people.