nolse'u lujvo

s1 is a servant of sovereign/aristocrat/noble s2=n1 in culture/country n2 with responsibilities s3.

Cf. nobli, selfu, nolkansa, nolraitru, balnoltru.

In notes:

balnoltru
t1=n1=b1 is the emperor/empress/kaiser/tsar of peoples/territories t2.
nolkansa
k1 is a courtier to sovereign/aristocrat/noble k2 in culture/country n2=k3.
nolraitru
t1=n1 is a regent/monarch of t2 by standard n2.