rdfs:label has or had main subject @en
https://www.ica.org/standards/RiC/ontology#RiCCMCorrespondingComponent RiC-R020 ('has or had main subject'
relation) @en
rdfs:comment was its main
subject. @en
skos:scopeNote subject some person, which would help end users to @en
localName hasOrHadMainSubject