These shared interests encompassed a wide range of the various aspects of urban life; including political interests, cult practices, professions, trade, and civic services. The social connections fostered by collegia contributed to their influence on politics and the economy; acting as lobbying groups and representative groups for traders and merchants.
Shared passions encompassed numerous aspects of urban existence; including ideological leanings, spiritual pursuits, vocations, trade, and municipal services. The relationships established by collegia had a profound impact on politics and commerce; serving as advocates and representatives for businesspeople and traders.