wapalafuti would be motor vehicle drivers and an individual driver would be mpalafuti.

Would the poor souls only drive in circles?

p.s. - looking up at my post on matatu - Swahili for "three" is tatu, so matatu is "three more" - kind of.

For them what's interested, there's a cool Swahili-English dictionary at http://www.yale.edu/swahili/.