harbour

a sheltered port where ships can take on or discharge cargo

a place of refuge and comfort and security

secretly shelter (as of fugitives or criminals)

keep in one''s possession; of animals

hold back a thought or feeling about

• “She is harboring a grudge against him”

maintain (a theory, thoughts, or feelings)

• “bear a grudge”
• “entertain interesting notions”
• “harbor a resentment”