The rank of Shimokanjin was traded in the form of 'stock' ostensibly through adoption of 'the buyer' by 'the seller' in most cases, and sometimes 'collected' by the government office on the pretext of staff acquisition, which led some cases of merchants and farmers in Kyoto and its surroundings acquiring the rank of Jige official for the purpose of raising their social status or earning their living, i.e., securing their jobs (In most cases, Saikanjin accepted the application for appointment of Jigenin by the government office without question).
下官人は一種の「株」の形で身分を売買することが行われ（表面上は買主が売主の養子縁組に入る場合が多い）、また必要な人員確保を理由とした官司による取立も行われたため、京都や周辺の商人や農民が社会的身分の上昇や生活の糧（仕事）の獲得などを目的に地下官人の身分を得る例もあった（催官人は官司からの地下人補任の申請があれば、ほとんどの場合そのまま受理していた）。