Irrational fear of a group a three people/organisations/groups believed to be working together against the one who is in fear of them,
The people of Greece got troikaphobia during their debt crisis. The group of three in question, was known as the troika. The troika contained the European Commission, the European Central Bank and the International Monetary Fund (EC, ECB and IMF).
by Petty Officer Paddy O'C (rtd) February 11, 2017