Ka is a Japanese suffic that indicates someone that does what ever the first part of the word is. In this case, it is someone who practices karate.
Karateka - video game - happened in 7800.
Karateka - video game - was created in 1984.
Peter Chong - karateka - was born in 1941.
John Jarvis - karateka - was born on 1940-11-10.
Willie Williams - karateka - was born on 1951-07-14.
Karateka - 1984 VG was released on: USA: 25 November 1984
karateka
The cast of Karateka Boxer - 1973 includes: Romy Diaz Eddie Garcia Sofia Moran Joe Sison
5 Second Movies - 2007 Karateka 3-4 was released on: USA: 14 March 2010
You aren't going to find a lot of consensus on this question, it is going to be an opinion. I don't know many karateka in England, but from what I know, I'd give the nod to Iain Abernathy.
A karate student is commonly referred to as a "karateka." This term encompasses individuals at all levels of training, from beginners to advanced practitioners. Karateka typically wear a gi, which is a traditional uniform, and may also be identified by their rank indicated through colored belts.
The answer is lost in history. There are many stories of the wives and daughters of famous karateka being proficient at the art.