imperatora fu'ivla

x1 is an emperor of empire x2

See nolraitru, xuandi


In notes:

partako
x1 is a patriarch, male governor
patriarko
x1 is a patriarch, male governor
presidente
x1 is the head of x2 (state of a republic, a representative democracy or, more seldom, a dictatorship); x1 is a president of x2 (state/organisation etc.)
xu'andi
x1 is an emperor of empire x2