Migrari

The Migrari were nomadic mixed-species spacefarers known for their effort to improve living standards across space. They were at their height during the early spacefaring age. The Migrari were often the first contact of a civilization, and traded their knowledge and technology for food and other supplies.
A lot of the art from the early spacefaring era was either made by the Migrari, or in their possession. Despite their love of beauty, the Migrari shunned the wealthy and deliberately made contact with the poorest. They were always trying to go where they could do the most good.
Their altruistic efforts across the system inspired the Hospitants.

Migrari Values and Beliefs

The Migrari devoted themselves to improving the living conditions of the System because of their deeply held values. Most famously, the Migrari believed in leaving a place better than they found it. Dignity and compassion was vital to them. Treating the wounds of the soul, the result of trauma and humiliation was as important to them as treating a bodily wound. They were extremely opposed to debts of any kind, which they considered another soul wound. They never accepted thanks or apologies, because they believed those were symbolic of a hierachy or inequality.
Health, hygiene, and sanitation was very important to the Migrari. First contact always carries the risk of disease. Anthropologists believe the Migrari stigma against the meat and products of livestock was the result of disease and plague contracted from livestock-reliant populations.

The Migrari would encourage their young to stay behind and make a new life with the civilisations they met. Sometimes people would join the Migrari, but life aboard the fleet was hard. The population slowly dwindled over the centuries as more Migrari settled. The Migrari no longer exist as they used to, but their legacy carries on.