He's here to stay
In the question: It is said to remain here at all times and to be a witness to what is being done.
(Modern Hebrew)
Translation
Expression (Hebrew)
הוּא כָּאן בִּשְׁבִיל לְהִשָּׁאֵר
Definition (Hebrew)
בְּהַשְׁאָלָה: הוּא אָמוּר לְהִשָּׁאֵר כָּאן בְּכָל מְחִיר וְלִהְיוֹת מַשְׁפִּיעַ עַל הַנַּעֲשֶׂה.
(הָעִבְרִית הַחֲדָשָׁה)