One has asked me that if Jesus is not God, is he a false god?
Jesus is a mighty being, similar to, but higher than, the angels. -- Psalm 8:5; Hebrews 2:7.
In respects to Hebraic usage of the words for "God", there are four basic usages:
(1) The MIGHTY ONE, the only one who is MIGHTY of himself (not receiving His might from anyone else), which corresponds to our common usage of "God" as meaning "the Supreme Being", the "Almighty" Yahweh. Only He is the source of all (1 Corinthians 8:6)
(2) False gods -- so-called gods who by nature have no might at all to do anything (Deuteronomy 4:28; Daniel 5:23; Isaiah 45:20; Galatians 4:8; 1 Corinthians 8:5).
(3) Mighty ones who are such because the only true Supreme Being has given them special power or authority, either directly or by allowance, such as Moses to Pharoah (Exodus 7:1), the sons of the Most High (Psalm 82:1,6; John 10:34-36), and the angels (Psalm 8:5; Hebrews 2:7), and others (1 Samuel 28:13; Ezekiel 32:21; 2 Corinthians 4:4), including Jesus (John 1:1).
(4) General might, power, great, etc. -- Genesis 31:29; Deuteronomy 28:32; Nehemiahs 5:5; Psalm 36:6; Proverbs 3:27.