noun
protecting a rice field; watching over a field; person who watches over a rice field
Refers to the act of guarding or looking after a rice field, or the person who does so. This is a relatively specific and possibly historical or rural term.
昔は村人が交代で田守をした。
In the old days, villagers took turns protecting the rice fields.
田守の役目は、鳥や獣から田んぼを守ることだ。
The role of the field watcher is to protect the rice paddies from birds and animals.