visitor to a sick or distressed person; hospital visitor
Refers to someone who visits a person who is ill, hospitalized, or in distress. The gloss 'inquirer' is rare and mostly covered by the broader sense.
Many visitors came to the hospital.
He went every day as a visitor to his hospitalized friend.
訪問者 is a general visitor; 見舞い客 specifically visits someone who is sick or in trouble.
Standard spelling with okurigana.
Variant without okurigana; less common but still used.
Compound of 見舞い (visit to inquire after someone's health) + 客 (guest, visitor).