1)
Who is considered a Tzadik?
1.
Radak: One who goes in these ways is called one who fears Hashem, and a Tzadik.
2)
What does it mean that Hashem's eyes are to Tzadikim?
1.
Radak: Hashem's guarding clings to them, and saves them in all their ways.
2.
Malbim: He Himself supervises over what they lack.
3)
What does it mean that Hashem's ears are to Tzadikim's cries?
1.
Radak: If any mishap occurs, the Tzadik cries to Him and Hashem hears and saves them from his affliction.
2.
Malbim: Even though He supervises and ensures that they do not lack, sometimes they pray due to something that they mistakenly think is evil. Even so, Hashem fulfills their request.