Is the “faith” of Hebrews 12:2 referring to the faith of “all” of us, or “each” of us?

Hebrews 12:2, in part: [ESV] looking to Jesus, the founder and perfecter of our faith [NIV] fixing our eyes on Jesus, the pioneer and perfecter of faith [KJV] Looking unto Jesus the author and finisher of our faith [Greek] ἀφορῶντες εἰς τ…