The socialism of the world is a forced sharing, the Biblical sharing of resources in the "Church" is not forced, but is done willingly and gladly, the early Church willingly and gladly went far beyond what tithing would have required anyhow.
(of course with the economy the way it is today most of us might be in the catagory of those that lacked
Acts 2:44,45
And all that believed were together, and had all things common; And sold their possessions and goods, and parted them to all men, as every man had need.
Acts 4:32
And the multitude of them that believed were of one heart and of one soul: neither said any of them that ought of the things which he possessed was his own; but they had all things common.
Acts 4:34,35
Neither was there any among them that lacked: for as many as were possessors of lands or houses sold them, and brought the prices of the things that were sold, And laid them down at the apostles' feet: and distribution was made unto every man according as he had need.
2 Corinthians 9:6-8
But this I say, He which soweth sparingly shall reap also sparingly; and he which soweth bountifully shall reap also bountifully.
Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver.
And God is able to make all grace abound toward you; that ye, always having all sufficiency in all things, may abound to every good work:
God does acknowledge that some will endure poverty though:
Revelation 2:9
I know thy works, and tribulation, and poverty, (but thou art rich) and I know the blasphemy of them which say they are Jews, and are not, but are the synagogue of Satan.