noun
congratulatory visitors; people paying congratulatory visits
Refers to people who visit a shrine, palace, or similar place to offer congratulations, especially on auspicious occasions such as the New Year.
新年には多くの参賀者が神社を訪れる。
Many congratulatory visitors come to the shrine at New Year.
Compound of 参賀 (sanga, 'congratulatory visit') + 者 (sha, 'person').