Kings I 20:18

18 And Jonathan said, To-morrow the new moon, and thou wilt be enquired for, because thy seat will be observed as vacant.

Kings I 20:18 Meaning and Commentary

1 Kings 20:18

And he said, whether they be come out for peace
To propose terms of peace:

take them alive;
make them prisoners, which was contrary to the laws of nations:

or whether they be come out for war, take them alive;
he made no doubt of their being easily taken; but he would not have them be put to death, that he might examine them, and know the state of things in Samaria, and what Ahab intended to do, that he might take his measures accordingly.

Kings I 20:18 In-Context

16 that the name of Jonathan be discovered by the house of David, then let the Lord seek out the enemies of David.
17 And Jonathan swore yet again to David, because he loved the soul of him that loved him.
18 And Jonathan said, To-morrow the new moon, and thou wilt be enquired for, because thy seat will be observed as vacant.
19 And thou shalt stay three days, and watch an opportunity, and shalt come to thy place where thou mayest hide thyself in the day of thy business, and thou shalt wait by that ergab.
20 And I will shoot three arrows, aiming them at a mark.

The Brenton translation of the Septuagint is in the public domain.