Reliable
Part of speech: noun
Definition: Something or someone reliable
Part of speech: adjective
Definition: Suitable or fit to be relied on; worthy of dependence or reliance; trustworthy Such that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't
Responsible
Part of speech: adjective
Definition: Answerable for an act performed or for its consequences; accountable; amenable, especially legally or politically.Capable of responding to any reasonable claim; able to answer reasonably for one's conduct and obligations; capable of rational conduct.Involving responsibility; involving a degree of personal accountability on the part of the person concerned.Being a primary cause or agent of some event or action; capable of being credited for something, or of being held liable for something.Able to be trusted; reliable; trustworthy.