As nouns the difference between ridesharing and ridesharer
is that ridesharing is a form of transportation, other than public transport, in which more than one person shares the use of a vehicle, such as a van or car, to make a trip while ridesharer is one who takes part in ridesharing.
ridesharing
English
Noun
(-)
A form of transportation, other than public transport, in which more than one person shares the use of a vehicle, such as a van or car, to make a trip.
See also
*carpooling
*vanpooling