Corduroy brothers

Family Parents, siblings, spouses, and household kin Friendship Friends, classmates, and close companions Romance Love, marriage covers, and attraction Rivalry Rivals at school, work, or in the field Alliance Allies, informants, and working partners Mentor Teachers, handlers, and people who train others Enemy Opposing sides and open hostility Organization Agencies, schools, and official groups Alignment Same faction, role, or block, without a personal tie