Work reliever mediation system and farm machine sharer mediation system

A work reliever mediation system comprising:

• a server including:
• a first storage unit configured to store work plan information including a scheduled work date, a work target field, and a work name for each user and for each work scheduled by the user;
• a second storage unit configured to store work plan information including a scheduled work date, a work target field, and a work name for each work reliever candidate and for each work scheduled by the work reliever candidate;
• and
• a third storage unit configured to store farm machine information that indicates a farm machine possessed by the work reliever candidate for each work reliever candidate;
• a user terminal configured to transmit a relief request demand including a predetermined work plan to the server in a case where the user requests relief with respect to the predetermined work plan;
• and
• a reliever candidate terminal configured to enable the work reliever candidate to communicate with the server, wherein
• the server is configured to, based on receipt of the relief request demand from the user terminal:
• select, from among the work reliever candidates, a work reliever candidate who possesses a farm machine configured to carry out the predetermined work plan, and
• notify the selected work reliever candidate that a request for relief is made, and
• in a case where the server notifies the reliever candidate terminal that the relief is requested, the reliever candidate terminal is configured to display the predetermined work plan and provide the server with an indication of intention of the work reliever candidate who uses the reliever candidate terminal.