Swahili

Swahili (also called Kiswahili) is a Bantu language widely spoken in East Africa, Earth. Swahili is the mother tongue of the Swahili people who inhabit a 1500 km stretch of the East African coast from southern Somalia to northern Mozambique. It is spoken by over 50 million people, of whom there are approximately five million first-language speakers and thirty to fifty million second-language speakers. Swahili has become a lingua franca for East Africa and surrounding areas.

In the level Outskirts, you can hear someone speaking in Swahili over the intercom. There is a collection of the announcements and their translations at http://nikon.bungie.org/misc/h2dialogue.html?cat=swahili.