A court cannot compel an executor to accept a rejected claim against a deceased estate by way of a court application framed as an order to compel registration as a creditor. An executor has quasi-judicial powers as the first adjudicating authority in assessing claims under the Administration of Estates Act [Chapter 6:01], including powers under sections 43, 45, 47, and 48 to advertise for claims, rank them, request solemn declarations, and accept or reject claims. The court cannot substitute itself for the executor in this statutory role. Where an executor rejects a claim and provides reasons for rejection, the proper remedy is not to seek a mandatory order compelling acceptance, but rather to challenge the executor's decision through appropriate proceedings (such as review). An application seeking to compel registration as a secured creditor without going through the proper statutory process of claim assessment, ranking, and liquidation account is incompetent.