Gevurot Meyruach Hakodesh 6:3-4

But select from among you Achim b'Moshiach, that is, shivah anashim, being of shem tov (good reputation) and full of the Ruach Hakodesh and chochmah, whom we will appoint over this duty; But we will be devoted to tefillah and to the avodas kodesh service of the Dvar of the Besuras HaGeulah.