pick your spots carefully and use position to your advantage... if you can steal a round of blinds/antes, in position, you can sustain any stack level, but also grow if you get action, of course win too. That's the key, just win.
This is a tough spot, but it happens ALL the time. We can never influence when we will get the cards nor when we will get cold decked.
Dan Harrington wrote some good advice on tournament poker, and it includes some tips/tricks on short stack play. Some say his material is out dated, but i disagree, especially with regard to short stack play.
Hopefully you are calculating how many more hands or orbits (Harrington calls this "M") you can play with your current stack. With this information, you will know your actual desperation level. There is an inflection point where on one side of this point you have enough chips to make others fold if you go all in, and on the other side of this point no-one is afraid of your stack and will call any time you shove. Once you have crossed into the dredded "no-one is afraid of my stack" zone, then yes, you must win. At some point you are going to shove with any A, or any pair. You should see an A about once in every 8 hands and a pair about once in every 17 hands. With this knowledge you can determine how patient you want to be with the rest of your chips.
Don't try to play marginal hands as long as you have 15BB+. If you bust with the best hand preflop, don't feel bad, that's just the way it goes sometimes. The worse thing you can do is start opening wider and then getting into tricky postflop spots, compounding the issue.
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Steal the blinds on the middle map, not permanently .If the blind grows very fast, especially if it is a Freeroll, probably even to steal will not work..