Definition of "Harbor" :
noun: a place of refuge and comfort and security
noun: a sheltered port where ships can take on or discharge cargo
verb: maintain (a theory, thoughts, or feelings)
"Harbor a resentment."
verb: hold back a thought or feeling about
"She is harboring a grudge against him."
verb: keep in one's possession; of animals
verb: secretly shelter (as of fugitives or criminals)