#2: Had you studied 1st century history, you would know that deacons, bishops, etc were pharisees, scribes, rabbis etc who had formal training and were of the levitical background. They were all very well studied in Torah as Paul was.
#3 Widows, widows under a certain age were the responsibility of the family of the deceased husband and were to be given in marriage in the event the husband died. Only widows with no family, i.e., children and who were past marriage/childbearing age were the responsibility of the church.
Mt 5:17-19 I did not come to destroy the Torah or the Prophets, I cam to fill up with meaning...not one jot or tittle shall be taken away or added to Torah until heaven & earth pass away.
Well, since we are still here, then Torah still stands. I suggest you start in the beginning and not 2/3 of the way through because the last 3rd didn't even exist and there is no new law in it. Nothing new under the sun. Want to follow Christ, then study the Scripture He taught, the Scripture he gave from the beginning as he was there in the beginning(John 1:1-14) and all the way through until he came in the flesh.
Had Jesus even broke the tiniest of Torah instructions, he would have been disqualified as being the Messiah and he certainly did not come to abolish that which was his essence, his being, which is the Torah, the Word of God, the Memra.
In 2 Ti 3:16 Paul says: "All Scripture is given by inspiration of God, & is profitable for doctrine, for reproof, for correction, for instrution in righteousness" Well, since this was merely a letter as are all his other works, Paul wasn't speaking of any NT, when referencing Scripture, Paul was speaking of Gen-Mal.