Fi is about how people relate to each other. Forming a unified theory of behaviours and views is very Fe and systematically Ti. There's no personal subjectivity of feeling but an enforced method of behaviour (like ESE and dinner parties for example). With that in mind, the epitome of social justice warrior - Fe forced behaviour, Ti system of governance, with the belief of societal reshape ie Ni - the epitome of this type, the social justice warrior, is EIE.