What does it mean that we all must bear our own cross?

To bear your own cross [stake] is to realize that when you were baptised you walked into the water and were covered completely; that was symbolic of your dying to self, and when you rose up out of the water you rose up to newness of life as a new creation in the lord Jesus, God's anointed one. Now that you are a new creation having God's Spirit in you, you are now a Temple of Yehovah individually and collectively also form a Temple of Yehovah! You are now grafted into the Commonwealth of Israel as a member of the true Israel of God - Yehovah, and as such, a member of the household of Yehovah, a member of the congregation of Yehovah and a member of the called-out Assembly of God. 

All of these things are the reason that we ought to bear our cross daily - which means making sure that the old self doesn't resurrect itself because we are not continually striving for perfection as defined in the scriptures as becoming more like God's anointed one, Jesus - Yehoshua!

To bear our own cross [stake] means we continually, by the power of God's Spirit and the Spirit of Jesus in us, overcome the desires of the flesh, the desires of the eyes, the pride of possessions, the attraction of the world; and we resist the allure of wicked spirit beings who would love to have us fail! That is what bearing our cross means.

It is a daily, hourly, minute by minute endeavor! It is those who do so until the end that will become co-inheritors and co-rulers with the one whom God made Lord and Messiah Jesus in the coming new age! To believe that Jesus is Lord is to believe and do all that he taught us to do, all he commands us to do, which is to abide by the will of his God and our God, his Father and our Father continually, even as he did and does! So we see that baptism is where regeneration takes place, which is only the beginning, then renewal as a new creation, and finally perfection when we are resurrected to ever be with the lord Jesus when he returns!