Jamieson, Fausset and Brown on Jeremiah 20:2

2. The fact that Pashur was of the same order and of the same family as Jeremiah aggravates the indignity of the blow (1Ki 22:24; Mt 26:67).

stocks--an instrument of torture with five holes, in which the neck, two hands, and two feet were thrust, the body being kept in a crooked posture (Jr 29:26). From a Hebrew root, to "turn," or "rack." This marks Pashur's cruelty.

high--that is, the upper gate (2Ki 15:35).

gate of Benjamin--a gate in the temple wall, corresponding to the gate of Benjamin, properly so called, in the city wall, in the direction of the territory of Benjamin (Jr 7:2; 37:13; 38:7). The temple gate of Benjamin, being on a lofty position, was called "the high gate," to distinguish it from the city wall gate of Benjamin.