var context = SP.ClientContext.get_current();
var taxSession = SP.Taxonomy.TaxonomySession.getTaxonomySession(context);
var term = taxSession.getTerm('f06b442f-81db-4356-acc7-2c565fe3bf00');
var defaultLabel = term.getDefaultLabel(1033); //1033 is the LCID which means English
console.log(defaultLabel.get_value());