Shortly after the expanded Russian invasion of Ukraine on 24 February 2022, President Zelensky created the International Legion for the Territorial Defence of Ukraine, and began calling for (foreign) volunteers to join. A special website has been dedicated to assist foreign volunteers to come and support Ukraine. Since the start of the conflict, Ukraine claims that approximately 20,000 individuals have joined the Ukrainian armed forces. Foreign individuals also joined the Russian side of the conflict.
Russian President Vladimir Putin has announced that 16,000 volunteers from the Middle East are ready to support Russia.
Foreigners from Chechnya and mercenaries joining the Wagner Group from Syria and Libya are included. Considering the death sentence imposed on two British and Moroccan fighters pronounced by a pro-Russian court in East Ukraine, and the recent capture of two American fighters in Donetsk, this perspective addresses the legal status of the foreign individuals joining the conflict in Ukraine, and some of the legal and political consequences of this situation. It provides an overview of some of the salient features of international humanitarian law,
offers definitions of the terms ‘foreign volunteer’, ‘foreign terrorist fighter’ and ‘mercenary’, explains why these distinctions matter, and explores what lessons can be drawn from conflating or exchanging these different terms.