Hazrat Mahdi (as) will not tell people of his needs

Hussain was asked:

“With what signs will Hazrat Mahdi (as) be known?” He replied, “... People will need him, but he will express his needs to no one.” (Mari’ bin Yusuf Karami Hanbali, Fawaid Fawaid al-Fikr fil Mahdi al-Montazar)