Honestly, there are a lot of questions there and rather than skip around I'm going to give one really long background on the birthright and blessing. Just be glad I'm not also giving a treatment to the meaning of firstborn.
There is a TL;DR Conclusion at the end, where I will revisit each specif...
Joshua Bigbee's answer provides much greater detail than any previous answer.
The example Jesus cites, David getting the showbread, contains two authorities. One is King David over his men and the other is the high priest over the Bread of the Presence:
So the priest gave him holy bread; for there was no bread there but the showbread which had been taken from before th...
Interesting new answer to an old question. I'm not 100% sure it is a "correct" interpretation, but it definitely provides some good points to think about.
The example Jesus cites, David getting the showbread, contains two authorities. One is King David over his men and the other is the high priest over the Bread of the Presence:
So the priest gave him holy bread; for there was no bread there but the showbread which had been taken from before th...
