If you have information about this name, share it in the comments area below!
Books about Kaarel:
Mu hing on tuline kui laava: Raamat Kaarel Karmist (Estonian Edition) by Inna Taarna (1990)
Wiki information Kaarel:
Kaarel Nurmsalu is a ski jumper, formerly nordic combined skier from Estonia. He won 3 individual bronze medals at the 2011 Nordic Junior World Ski Championships in Otepää. He holds the national record of Estonia in ski-flying with 204m.