Originally posted by Musashi
Just as the practitioners of Judo are Judoka, I as a practitioner of Aikido am an Aikidoka.
Seems like a pretty straight forward question.
This has come up several times on Aikido-L and I believe recently on E-Budo.
If I remember correctly, the ka
suffix is more accurately used to denote a professional in a given field.
Perhaps Jun will post and give us a native speaker's perspective
Errata: The relevant E-Budo post is by Chris Li in the "Here a Soke, There a Soke..." thread in the "Koryu: History and Tradition" forum. Chris, from my perspective at least, is a walking dictionary of Japanese.