What type of person enjoys bringing up other people's flaws or always digging for flaws in others?

An insecure person

The type who figures if they make enough noise about the faults of others, nobody will notice how deeply flawed THEY are.

Sociopath? Narcissist? ..my ex girlfriend

Narcissist - they suck

Someone who likes dimming others light

Someone trying to deflect from his own flaws.

Im sorry but i gotta ask lucky hoe?

Social justice warriors

One who has many.

An insecure prick

Ex

An overly negative person that is not my friend, because they're usually a gossiper.

Insecure immature empty ones .

I don't like doing that