People who ride in or drive a sleigh.
Sleighers enjoy riding in a sleigh, especially when it's snowy and cold outside.
Examples:
The sleighers laughed as they rode through the snow.
The sleighers waved to people as they passed by.
The sleighers had fun in the snow.
The sleighers sang songs as they rode along.
The sleighers had a big party in the sleigh.
The sleighers had a race to see who could go the fastest.